Valve, Safety Relief4820-01-285-6161

NSN 4820-01-285-6161 · NIIN 012856161 · Part number 26LA10L-120/SP 3IN SET 125PSI

Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris · FSC 4820 — Valves, Nonpowered · FSG 48 — Valves · CAGE 72352

Government record, cited

NSN 4820-01-285-6161 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-285-6161. Manufacturer of record part number: 26LA10L-120/SP 3IN SET 125PSI.

Also searched as 4820-01-285-6161 · 4820012856161 · NIIN 012856161 · 01-285-6161 · FSC 4820 Valves, Nonpowered · CAGE 72352 · 26LA10L-120/SP 3IN SET 125PSI · 23613-SP-4 3IN 26LA10L-120/SP

Nearby stock numbers ← 4820-01-285-6160 · 4820-01-285-6162 Valve, Safety Relief →

4820-01-285-6161 — Valves, Nonpowered

Features

Valve,safety Relief — FSC 4820
Flange Shape: ROUND WITH HOLES ALL ENDS
Flange Face Design: RAISED STRAIGHT ALL ENDS
Bolt Circle Nominal Diameter: 6.000 INCHES SECOND END IN
Bolt Circle Nominal Diameter: 7.500 INCHES FIRST END IN
Minimum Operating Temp: -20.0 FAHRENHEIT DEGF
Connection Type: FLANGE ALL ENDS
Style Designator: ANGLE FLANGED ENDS

Identification

NSN: 4820-01-285-6161
NIIN: 012856161
FSC: 4820 — Valves, Nonpowered
FSG: 48 — Valves
Primary part number: 26LA10L-120/SP 3IN SET 125PSI
Manufacturer: Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris

General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-285-6161, is classified within Federal Supply Class 4820 (Valves, Nonpowered) of the Valves group. The manufacturer of record is Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-01-285-6161
Primary Part Number	26LA10L-120/SP 3IN SET 125PSI
Item Name	Valve,safety Relief
FSC / FSG	4820 / 48 — Valves, Nonpowered
Manufacturer	Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris
Status	ACTIVE
Flange Shape	ROUND WITH HOLES ALL ENDS
Flange Face Design	RAISED STRAIGHT ALL ENDS
Bolt Circle Nominal Diameter	6.000 INCHES SECOND END IN
Bolt Circle Nominal Diameter	7.500 INCHES FIRST END IN
Minimum Operating Temp	-20.0 FAHRENHEIT DEGF
Connection Type	FLANGE ALL ENDS
Style Designator	ANGLE FLANGED ENDS
Bolt Hole Nominal Diameter	0.750 INCHES ALL ENDS IN
Valve Size	3.000 INCHES IN
Maximum Operating Temp	450.0 FAHRENHEIT SINGLE RESPONSE DEGF
Nominal Outside Diameter	7.000 INCHES SECOND END IN
Nominal Outside Diameter	9.000 INCHES FIRST END IN
Bolt Hole Quantity	4 SECOND END
Bolt Hole Quantity	8 FIRST END
Material	STEEL BODY
Opening Pressure Setting	125.0 POUNDS PER SQUARE INCH LBS
Valve Operation Method	AUTOMATIC

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
23613-SP-4 3IN 26LA10L-120/SP	Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris (USA)
26LA10L-120/SP 3IN SET 125PSI PRIMARY	Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris (USA)

No interchangeability data on file.

Other items in FSC 4820 — Valves, Nonpowered

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

4820-00-000-0097

4820-00-000-0097 · Item name not on file

4820-00-001-0010

VALVE,ROTARY,SELECTOR

4820-00-001-0020

4820-00-001-0020 · Item name not on file

4820-00-001-0021

4820-00-001-0021 · Item name not on file

4820-00-001-0032

4820-00-001-0032 · Item name not on file

4820-00-001-0037

VALVE,SAFETY RELIEF

4820-00-001-0042

4820-00-001-0042 · Item name not on file

4820-00-001-1230

4820-00-001-1230 · Item name not on file

Frequently Asked Questions

What is NSN 4820-01-285-6161?

NSN 4820-01-285-6161 is a Valve,safety Relief, manufactured by Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris, classified under FSC 4820, Valves, Nonpowered. Status: active.

What part numbers are listed for NSN 4820-01-285-6161?

NSN 4820-01-285-6161 has 2 manufacturer part numbers on file: 23613-SP-4 3IN 26LA10L-120/SP (Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris), 26LA10L-120/SP 3IN SET 125PSI (Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris).

What are the specifications of 26LA10L-120/SP 3IN SET 125PSI?

Key specifications for 26LA10L-120/SP 3IN SET 125PSI: Flange Shape: ROUND WITH HOLES ALL ENDS; Flange Face Design: RAISED STRAIGHT ALL ENDS; Bolt Circle Nominal Diameter: 6.000 INCHES SECOND END IN; Bolt Circle Nominal Diameter: 7.500 INCHES FIRST END IN. 17 specifications are documented in the U.S. Government catalog.

Is NSN 4820-01-285-6161 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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